158018141 has 8 divisors (see below), whose sum is σ = 163545144. Its totient is φ = 152570880.

The previous prime is 158018131. The next prime is 158018143. The reversal of 158018141 is 141810851.

It can be written as a sum of positive squares in 4 ways, for example, as 19838116 + 138180025 = 4454^2 + 11755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158018141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158018143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15890 + ... + 23843.

It is an arithmetic number, because the mean of its divisors is an integer number (20443143).

Almost surely, 2^158018141 is an apocalyptic number.

It is an amenable number.

158018141 is a deficient number, since it is larger than the sum of its proper divisors (5527003).

158018141 is an equidigital number, since it uses as much as digits as its factorization.

158018141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39871.

The product of its (nonzero) digits is 1280, while the sum is 29.

The square root of 158018141 is about 12570.5266794992. The cubic root of 158018141 is about 540.6327071685.

Adding to 158018141 its reverse (141810851), we get a palindrome (299828992).

The spelling of 158018141 in words is "one hundred fifty-eight million, eighteen thousand, one hundred forty-one".